Jar



FIG. 1 is a front elevational view of a jar showing our new design, the rear elevational view being the same;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a bottom plan view thereof.

The broken line showing of screw threads in FIGS. 1 and 2 are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a jar, as shown and described. 